(19)
(11) EP 1 562 716 A2

(12)

(88) Date of publication A3:
03.02.2005

(43) Date of publication:
17.08.2005 Bulletin 2005/33

(21) Application number: 03797936.6

(22) Date of filing: 23.09.2003
(51) International Patent Classification (IPC)7B21C 37/22
(86) International application number:
PCT/US2003/030315
(87) International publication number:
WO 2004/026732 (01.04.2004 Gazette 2004/14)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 23.09.2002 US 412723 P
23.09.2003 US 668842

(71) Applicant: Met-Coil Systems Corporation
Westfield, MA 01085 (US)

(72) Inventors:
  • TOBEN, John, J.
    Cedar Rapids, IA 52403 (US)
  • BORWIG, Michael, C.
    Swisher, IA 52338 (US)

(74) Representative: Carvajal y Urquijo, Isabel et al
Clarke, Modet & Co.,C/ Goya No. 11
28001 Madrid
28001 Madrid (ES)

   


(54) SEAM CLOSING APPARATUS